Home / 54,278.43-74,871.07-35,881.53

Finding the Fourth Proportional to 54,278.43, 74,871.07 and 35,881.53

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Solution

The fourth proportional to 54,278.43, 74,871.07 and 35,881.53 is: 49,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.43 : 74,871.07 = 35,881.53 : x
  2. Step 2: Convert to fraction form
    54,278.43/74,871.07 = 35,881.53/x
  3. Step 3: Cross multiply
    54,278.43x = 74,871.07 × 35,881.53
  4. Step 4: Simplify right side
    54,278.43x = 2,686,488,544.34
  5. Step 5: Solve for x
    x = 2,686,488,544.34/54,278.43
  6. Step 6: Final answer
    x = 49,494.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.